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Finding the Fourth Proportional to 50,956, 70,319.76 and 28,600.48

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Solution

The fourth proportional to 50,956, 70,319.76 and 28,600.48 is: 39,468.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,956 : 70,319.76 = 28,600.48 : x
  2. Step 2: Convert to fraction form
    50,956/70,319.76 = 28,600.48/x
  3. Step 3: Cross multiply
    50,956x = 70,319.76 × 28,600.48
  4. Step 4: Simplify right side
    50,956x = 2,011,178,889.48
  5. Step 5: Solve for x
    x = 2,011,178,889.48/50,956
  6. Step 6: Final answer
    x = 39,468.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.